Home / 54,031.52-74,565.88-30,158.32

Finding the Fourth Proportional to 54,031.52, 74,565.88 and 30,158.32

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Solution

The fourth proportional to 54,031.52, 74,565.88 and 30,158.32 is: 41,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.52 : 74,565.88 = 30,158.32 : x
  2. Step 2: Convert to fraction form
    54,031.52/74,565.88 = 30,158.32/x
  3. Step 3: Cross multiply
    54,031.52x = 74,565.88 × 30,158.32
  4. Step 4: Simplify right side
    54,031.52x = 2,248,781,670.12
  5. Step 5: Solve for x
    x = 2,248,781,670.12/54,031.52
  6. Step 6: Final answer
    x = 41,619.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.